Scyliorhinus canicula

Small-spotted catshark

Maximum lifespan

12 yr

AnAge record

mtDNA size

16,697 bp

RefSeq NC_001950.1

GC content

38.00%

Whole genome

Non-coding

1,111 bp

D-loop 1,050 bp

Where Small-spotted catshark sits among 2,335 species

Whole-genome GC content against maximum lifespan. Small-spotted catshark has the 1,413th longest lifespan of them.

This species
Other sharks and rays
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,697 bp

GC skew (G − C) / (G + C): −0.257
AT skew (A − T) / (A + T): −0.006

Life history

Maximum lifespan: 12 years
Adult weight: 726 g
Female sexual maturity: 7.6 years
Male sexual maturity: 4.5 years
Litter or clutch size: 45.5

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 01772)

About this record

Lifespan source: AnAge build 15
Based on: an animal in the wild
Data quality: acceptable, medium sample
Licence: Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status: Updated in build 2
In the database since: build 1 (2015-07-01)
Last changed: build 2 (2026-11-13)

Every change against the 2015 build is in the changelog download.

Composition by region

Reference (L) strand as deposited in RefSeq

Whole genome16,697 bp

Protein-coding11,408 bp

12S rRNA957 bp

16S rRNA1,673 bp

All tRNA1,551 bp

D-loop1,050 bp

Genes and regions

Select a column to sort; select a gene to compare it across species

Base composition of Scyliorhinus canicula genes

ND1NADH dehydrogenase subunit 1	975 bp	29.0%	31.3%	12.6%	27.1%	39.69%	−0.364	−0.037
ND2NADH dehydrogenase subunit 2	1,047 bp	31.6%	31.8%	11.1%	25.5%	36.58%	−0.394	−0.003
COX1Cytochrome c oxidase subunit I	1,554 bp	27.7%	32.8%	16.4%	23.2%	39.58%	−0.171	−0.084
COX2Cytochrome c oxidase subunit II	691 bp	31.1%	30.4%	14.9%	23.6%	38.50%	−0.226	+0.012
ATP8ATP synthase F0 subunit 8	168 bp	35.7%	32.7%	10.7%	20.8%	31.55%	−0.321	+0.043
ATP6ATP synthase F0 subunit 6	684 bp	29.7%	34.9%	11.3%	24.1%	35.38%	−0.364	−0.081
COX3Cytochrome c oxidase subunit III	786 bp	27.1%	30.9%	16.3%	25.7%	41.99%	−0.224	−0.066
ND3NADH dehydrogenase subunit 3	351 bp	25.1%	36.5%	14.0%	24.5%	38.46%	−0.274	−0.185
ND4LNADH dehydrogenase subunit 4L	297 bp	25.3%	34.7%	13.1%	26.9%	40.07%	−0.345	−0.157
ND4NADH dehydrogenase subunit 4	1,381 bp	28.7%	33.4%	12.5%	25.5%	37.94%	−0.344	−0.076
ND5NADH dehydrogenase subunit 5	1,830 bp	30.9%	33.1%	10.8%	25.2%	36.01%	−0.399	−0.033
ND6NADH dehydrogenase subunit 6	522 bp	39.8%	21.1%	9.4%	29.7%	39.08%	−0.520	+0.308
CYTBCytochrome b	1,144 bp	27.2%	34.1%	13.1%	25.6%	38.72%	−0.323	−0.113
12S rRNA12S ribosomal RNA	957 bp	32.0%	24.8%	19.9%	23.4%	43.26%	−0.082	+0.127
16S rRNA16S ribosomal RNA	1,673 bp	35.6%	27.5%	17.0%	20.0%	36.94%	−0.081	+0.128
D-loopControl region (D-loop)	1,050 bp	33.2%	33.6%	13.2%	19.9%	33.14%	−0.201	−0.006

Codon usage

Counts per codon, darker is more frequent

Gene

3,809 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.5%

UUU152

UUC95

Leu L17.0%

UUA225

UUG23

CUU146

CUC86

CUA148

CUG19

Ile I8.8%

AUU244

AUC90

Met M4.5%

AUA139

AUG34

Val V5.1%

GUU59

GUC35

GUA81

GUG18

Ser S7.2%

UCU55

UCC65

UCA95

UCG1

AGU23

AGC36

Pro P5.5%

CCU48

CCC58

CCA98

CCG6

Thr T7.1%

ACU62

ACC81

ACA119

ACG9

Ala A7.5%

GCU87

GCC104

GCA85

GCG9

Tyr Y3.1%

UAU78

UAC41

His H2.6%

CAU48

CAC52

Gln Q2.5%

CAA90

CAG7

Asn N3.9%

AAU88

AAC59

Lys K2.3%

AAA79

AAG7

Asp D1.8%

GAU42

GAC27

Glu E2.6%

GAA88

GAG11

Cys C0.6%

UGU12

UGC11

Trp W3.2%

UGA108

UGG12

Arg R2.0%

CGU11

CGC21

CGA40

CGG3

Gly G6.0%

GGU54

GGC53

GGA80

GGG42

Stop 0.3%

UAA9

UAG1

AGA0

AGG0

Genome map

38 annotated features in NC_001950.1

Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.

Protein-coding13
rRNA2
tRNA22
D-loop1

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (38.0%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Scyliorhinus canicula (NC_001950.1)
Feature	Type	Start	End	Length	Strand	GC
ND1	Protein-coding gene	1	975	975 bp	+	39.7%
tRNA-Ile	Transfer RNA	979	1,048	70 bp	+	–
tRNA-Gln	Transfer RNA	1,050	1,122	73 bp	−	–
tRNA-Met	Transfer RNA	1,123	1,192	70 bp	+	–
ND2	Protein-coding gene	1,193	2,239	1,047 bp	+	36.6%
tRNA-Trp	Transfer RNA	2,239	2,307	69 bp	+	–
tRNA-Ala	Transfer RNA	2,309	2,377	69 bp	−	–
tRNA-Asn	Transfer RNA	2,378	2,450	73 bp	−	–
tRNA-Cys	Transfer RNA	2,488	2,554	67 bp	−	–
tRNA-Tyr	Transfer RNA	2,556	2,625	70 bp	−	–
COX1	Protein-coding gene	2,627	4,180	1,554 bp	+	39.6%
tRNA-Ser (UCN)	Transfer RNA	4,181	4,251	71 bp	−	–
tRNA-Asp	Transfer RNA	4,256	4,325	70 bp	+	–
COX2	Protein-coding gene	4,334	5,024	691 bp	+	38.5%
tRNA-Lys	Transfer RNA	5,025	5,098	74 bp	+	–
ATP8	Protein-coding gene	5,100	5,267	168 bp	+	31.6%
ATP6	Protein-coding gene	5,258	5,941	684 bp	+	35.4%
COX3	Protein-coding gene	5,941	6,726	786 bp	+	42.0%
tRNA-Gly	Transfer RNA	6,729	6,798	70 bp	+	–
ND3	Protein-coding gene	6,799	7,149	351 bp	+	38.5%
tRNA-Arg	Transfer RNA	7,148	7,217	70 bp	+	–
ND4L	Protein-coding gene	7,218	7,514	297 bp	+	40.1%
ND4	Protein-coding gene	7,508	8,888	1,381 bp	+	37.9%
tRNA-His	Transfer RNA	8,889	8,957	69 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	8,958	9,024	67 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	9,025	9,096	72 bp	+	–
ND5	Protein-coding gene	9,097	10,926	1,830 bp	+	36.0%
ND6	Protein-coding gene	10,923	11,444	522 bp	−	39.1%
tRNA-Glu	Transfer RNA	11,445	11,514	70 bp	−	–
CYTB	Protein-coding gene	11,517	12,660	1,144 bp	+	38.7%
tRNA-Thr	Transfer RNA	12,661	12,732	72 bp	+	–
tRNA-Pro	Transfer RNA	12,733	12,801	69 bp	−	–
D-loop	Control region	12,802	13,851	1,050 bp	–	33.1%
tRNA-Phe	Transfer RNA	13,852	13,920	69 bp	+	–
12S rRNA	Ribosomal RNA	13,921	14,877	957 bp	+	43.3%
tRNA-Val	Transfer RNA	14,878	14,949	72 bp	+	–
16S rRNA	Ribosomal RNA	14,950	16,622	1,673 bp	+	36.9%
tRNA-Leu (UUR)	Transfer RNA	16,623	16,697	75 bp	+	–